backend tests: INSTANCE$ -> INSTANCE

compiler/testData/compileJavaAgainstKotlin/class/ClassObject.java

@@ -12,8 +12,8 @@ class ClassObject {
     }
 
     void accessToPackageObject() {
-        PackageInner.INSTANCE$.foo();
-        PackageInner.INSTANCE$.getValue();
+        PackageInner.INSTANCE.foo();
+        PackageInner.INSTANCE.getValue();
     }
 
     void accessToInnerClass() {

compiler/testData/compileJavaAgainstKotlin/platformStatic/simpleObjectProperty.java

@@ -4,7 +4,7 @@ class Test {
 
     public static void main(String[] args) {
         A.getB();
-        A.getC(A.INSTANCE$);
+        A.getC(A.INSTANCE);
     }
 
 }